US10271712B2 - Method and device for controlling a computer program by means of an intraoral scanner - Google Patents

Method and device for controlling a computer program by means of an intraoral scanner Download PDF

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US10271712B2
US10271712B2 US14/770,569 US201414770569A US10271712B2 US 10271712 B2 US10271712 B2 US 10271712B2 US 201414770569 A US201414770569 A US 201414770569A US 10271712 B2 US10271712 B2 US 10271712B2
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optical marker
cad
computer program
image
cam computer
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US20160000537A1 (en
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Sascha Schneider
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Dentsply Sirona Inc
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Dentsply Sirona Inc
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
    • A61B1/00006—Operational features of endoscopes characterised by electronic signal processing of control signals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00039—Operational features of endoscopes provided with input arrangements for the user
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00039—Operational features of endoscopes provided with input arrangements for the user
    • A61B1/0004—Operational features of endoscopes provided with input arrangements for the user for electronic operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/90—Identification means for patients or instruments, e.g. tags
    • A61B90/94—Identification means for patients or instruments, e.g. tags coded with symbols, e.g. text
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C9/00—Impression cups, i.e. impression trays; Impression methods
    • A61C9/004—Means or methods for taking digitized impressions
    • A61C9/0046—Data acquisition means or methods
    • A61C9/0053—Optical means or methods, e.g. scanning the teeth by a laser or light beam
    • G06F19/00—
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
    • G16H50/50—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C2204/00—Features not otherwise provided for
    • A61C2204/005—Features not otherwise provided for using chip tag or any electronic identification mean, e.g. RFID

Definitions

  • the present invention relates to a computer program as well as a method and a device for controlling the computer program by means of an intraoral scanner.
  • the invention relates to a data medium that stores the computer program according to the invention.
  • the invention relates to the use of an intraoral scanner for controlling a computer program and a device that comprises an intraoral scanner and is designed to generate a control signal when an optical marker is detected by the intraoral scanner.
  • Intraoral scanning systems enable a dentist to create three-dimensional representations of the oral cavity by means of a continuous recording method or by recording a few individual images.
  • the head of a handheld camera is therefore guided at a small distance over the teeth to be recorded.
  • a three-dimensional model can be created from the data compiled by means of the camera by using CAD/CAM software (computer aided design/computer aided manufacturing). This can then be used as the basis for a reconstruction.
  • the dentist performing the work will typically have the intraoral scanning camera in his hand, be wearing gloves and come in contact with the patient's oral cavity, so that the glove is wetted with saliva or blood. If the dentist would like to operate the CAD/CAM software at the same time, he will be soiling the mouse, keypad or touchscreen of the computer executing the software with his hands, and may even introduce microorganisms from there into the patient's mouth.
  • the object of the present invention is therefore to permit a non-contact control of software in the dental medical field, in which the dentist need not take the camera or another scanner out of his hand.
  • This object is achieved by the method according to the invention for controlling a computer program, wherein when an optical marker is detected by an intraoral scanner, and a control signal is sent to the computer program and switches the computer program to a predetermined state.
  • the scanner is in particular a 2D camera or a 3D scanner.
  • the computer program is a CAD/CAM program.
  • the predetermined state is selected from the group consisting of a change in an image field, deletion of an image region, an image calculation, a restoration calculation and input of a patient's name. It is possible in this way for the dentist to control the functions of the CAD/CAM program without taking the intraoral scanner out of his hand. Thus, for example, when recording an image, he can change the image field by aiming the intraoral scanner at a marker assigned to this state. It is also possible for him in this way to change the image field by aiming the intraoral scanner at a marker assigned to this state. Thus it is also possible for him to change between detection of an image field and deletion of an image region. A three-dimensional image calculation or a dental restoration calculation can also be started in this way.
  • the optical marker may be applied to a carrier that has at least one optical marker.
  • the dentist may have, for example, a tablet with optical markers for all predetermined states so that he can switch them by aiming the intraoral scanner at the marker assigned to the respective state.
  • Additional optical markers can be applied to patient files, for example, so that it is possible to enter a patient's name into the computer program by aiming the intraoral scanner at the marker on the patient's file. According to the invention, such a marker on the patient's file can also be recognized by other computer programs used in the dentist's practice.
  • a camera in a smartphone or tablet computer can scan the marker with the help of a corresponding application (app) and enable the dentist to access a patient data record directly, e.g., to access this case locally or over the Internet, or to open the respective patient files in radiology software or the doctor's practice/patient administration software associated with the marker.
  • the optical marker is preferably a two-dimensional barcode. This can be generated by the software itself or imported. It is also possible to learn the barcode on the basis of an externally generated label, by scanning this label once with the intraoral scanner. Such an externally generated label may originate from patient administration software, for example.
  • the patient file is prepared in paper form at the start of a treatment, the doctor passes the intraoral scanner over a binary code affixed thereto, and the corresponding patient is automatically opened in the computer program.
  • Such a barcode can be printed out on any 2D label printer so that it can then be affixed to the patient file.
  • the optical marker may be applied to a scan body or to consist of a scan body.
  • This may be, for example, a scan body provided with a binary code as described in US 2008/0233537 A1.
  • the user To determine the type of implant in a jaw, the user must manually select the correct type of implant with traditional CAD/CAM scans of the corresponding area in the software.
  • algorithms are usually used that search for certain three-dimensional structures of an attached scan body in the scan data and then determine the position and orientation of the implant beneath it. If the scan body is used as an optical marker because of its color and/or patterning, for example, then the type of implant underneath can be determined automatically according to the invention.
  • an optical marker to the surface of the scan body, for example in the form of a two-dimensional barcode.
  • Such a proposal calculation enables in particular automatic generation of a single tooth abutment in reduced form, of a single tooth abutment in full contour, of a post element for a bar or a bridge affixed by screw, or a decision about single-layer or multi-layer restoration.
  • the scan body can also be applied to gingiva, and upon detection of the scan body or an optical marker on the scan body, the computer program is switched to a state in which a drilling location is marked or defined in a drilling template to be constructed following a model scan.
  • the method according to the invention thus enables the use of an intraoral scanner for controlling a computer program.
  • the invention also relates to a computer program, in particular a CAD/CAM program, which can be controlled by means of the method according to the invention.
  • the computer program is preferably set up to display at least one optical marker on a monitor, wherein the optical marker has an inscription indicating a state of the computer program to which the computer program can be switched by detection of an optical marker by an intraoral scanner. It is therefore possible to display optical markers for controlling the computer program, for example on the monitor of a CAD/CAM system, so that the dentist can detect the markers there using the intraoral scanner. Alternatively, the display may also be shown on a separate system, such as a tablet computer, for example.
  • the inscription shows the dentist, by means of a text or a graphic, the state to which the computer program is switched when it guides the intraoral scanner over the corresponding optical marker.
  • the optical marker on an analog medium, it is possible here to create a menu structure so that by selecting one optical marker, some optical markers are hidden and other optical markers are shown, so that the optical markers for controlling the computer program can be presented to the dentist in an understandable manner.
  • the invention additionally relates to a data medium which stores the computer program according to the invention.
  • a device for controlling a computer program which comprises a carrier on which at least one optical marker is arranged.
  • the carrier may be, for example, a laminated accompanying document.
  • Each optical marker has an inscription which indicates a state of the computer program to which the computer program can be switched by detection of an optical marker by an intraoral scanner.
  • the optical marker here is preferably a two-dimensional barcode.
  • An intraoral scanner and a computing device on which a computer program according to the invention is running can be provided as a set according to the invention.
  • This set preferably also includes a device according to the invention for controlling the computer program.
  • a device which comprises an intraoral scanner may be designed according to the invention to generate a control signal when an optical marker is detected by the intraoral scanner.
  • FIG. 1 shows an intraoral camera and a device for controlling a computer program for use in an embodiment of the method according to the invention.
  • FIG. 2 shows several two-dimensional barcodes that are generated on a monitor by a computer program according to one embodiment of the invention.
  • FIG. 3 shows the arrangement of a scan body in a jaw in one embodiment of the invention.
  • FIG. 4 shows the arrangement of a two-dimensional barcode of a patient file in one embodiment of the invention.
  • a CAD/CAM program runs on a device for digital molding and production of dental restorations (for example, CEREC AC+MC XL of the applicant).
  • An intraoral 3D camera 1 which is shown in FIG. 1 , serves as the scanning system for digital molding.
  • the CAD/CAM program is set up to switch between different states such as, for example, detection of an image field, deletion of an image region, an image calculation, a restoration calculation and input of a patient's name when the intraoral camera 1 detects an optical marker in the form of a two-dimensional barcode 2 a , 2 b , 2 c .
  • a two-dimensional barcode 2 a , 2 b , 2 c is applied to a laminated sheet 3 to trigger a switched state.
  • Each two-dimensional barcode 2 a , 2 b , 2 c has an inscription 21 a , 21 b , 21 c , from which a dentist can ascertain the switching process to which the respective two-dimensional barcode 2 a , 2 b , 2 c is assigned.
  • the laminated sheet 3 serves as a device for controlling the CAD/CAM program and can be placed by the dentist on a work surface during digital molding, or can be brought onto the monitor of the CAD/CAM system.
  • the CAD/CAM program is also set up to display the two-dimensional barcodes 2 a , 2 b , 2 c for switching the predetermined states on a monitor 41 of a CAD/CAM system 4 together with the inscription 21 a , 21 b , 21 c . This is illustrated in FIG. 2 .
  • the CAD/CAM system 4 is designed to generate a control signal when an optical marker is detected by the intraoral camera.
  • the CAD/CAM program is set up to switch to a predetermined state when it discerns a scan body 6 detected by the intraoral camera 1 in a jaw 5 shown in FIG. 3 , the scan body being arranged as an implant extension on an implant located in the jaw 5 beneath the scan body 6 .
  • the CAD/CAM program is switched to a state that can be predetermined by the dentist. This can be, for example, a state in which a triangulated network derived from the scan undergoes a different resolution than the other image data derived from the scan.
  • the recognition of a two-dimensional barcode 2 a , 2 b , 2 c or a scan body 6 in an image detected by the intraoral 3D-camera 1 is done by means of an image filter method and/or an analytical method which searches for known optical markers in the image by means of a comparison operation such as the creation of a differential image in the image space, a transmission into the frequency space, a search for similar patterns, frequencies or signals, or a statistical method.
  • a function assigned to the optical marker is started on the basis of a decision table stored in the computer program. If no optical marker is recognized in the image data, then, as long as a scan mode of the intraoral 3D camera 1 is active, the image data is forwarded to a scan process taking place in the computer program, such as a three-dimensional scatter plot or depth image scan process, where the image data is stored for a later three-dimensional reconstruction and a model calculation.
  • the CAD/CAM program thus permits non-contact control of a CAD/CAM software in conjunction with the barcodes 2 a , 2 b , 2 c displayed on a carrier 3 as the device for controlling the computer program, or the barcodes 2 a , 2 b , 2 c displayed on a monitor 41 as well as barcodes 2 d optionally displayed on a patient file 7 during which the dentist need not take the intraoral camera 1 out of his hand.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Epidemiology (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Dentistry (AREA)
  • Data Mining & Analysis (AREA)
  • Primary Health Care (AREA)
  • Databases & Information Systems (AREA)
  • Signal Processing (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Endoscopes (AREA)
  • Dental Prosthetics (AREA)
US14/770,569 2013-02-28 2014-02-28 Method and device for controlling a computer program by means of an intraoral scanner Active 2036-08-29 US10271712B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102013203449 2013-02-28
DE102013203449.0A DE102013203449A1 (de) 2013-02-28 2013-02-28 Verfahren und Vorrichtung zur Steuerung eines Computerprogramms mittels eines intraoralen Scanners
DE102013203449.0 2013-02-28
PCT/EP2014/053903 WO2014131866A1 (fr) 2013-02-28 2014-02-28 Procédé et dispositif de commande d'un programme informatique au moyen d'un scanner intraoral

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US20160000537A1 US20160000537A1 (en) 2016-01-07
US10271712B2 true US10271712B2 (en) 2019-04-30

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US (1) US10271712B2 (fr)
EP (1) EP2996625B1 (fr)
JP (1) JP6677512B2 (fr)
CN (1) CN105025839B (fr)
DE (1) DE102013203449A1 (fr)
DK (1) DK2996625T3 (fr)
WO (1) WO2014131866A1 (fr)

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JP6513447B2 (ja) * 2015-03-25 2019-05-15 シナプティクス・ジャパン合同会社 半導体装置、電子機器及び制御方法
US9727693B2 (en) * 2015-07-20 2017-08-08 General Electric Company Automated tracking of a medical procedure using macros
US20170256197A1 (en) * 2016-03-02 2017-09-07 Disney Enterprises Inc. Systems and Methods for Providing Input to a Computer-Mediated Reality Device Using a Viewing Device
US11250492B2 (en) * 2016-03-22 2022-02-15 Paypal, Inc. Automatic population of data on an internet web page via a browser plugin
CN106327498B (zh) * 2016-08-30 2019-05-21 福建源光电装有限公司 一种端子脱落视觉检测系统及方法
US10114999B1 (en) * 2016-12-02 2018-10-30 Koupon Media, Inc. Using dynamic occlusion to protect against capturing barcodes for fraudulent use on mobile devices
CN108309493B (zh) * 2018-02-12 2021-01-05 苏州佳世达光电有限公司 口腔扫描仪控制方法及口腔扫描设备
JP6941126B2 (ja) * 2019-03-18 2021-09-29 株式会社モリタ製作所 歯科用機器、および、その制御方法

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DE102013203449A1 (de) 2014-08-28
WO2014131866A1 (fr) 2014-09-04
EP2996625A1 (fr) 2016-03-23
DK2996625T3 (en) 2019-04-15
EP2996625B1 (fr) 2019-01-09
US20160000537A1 (en) 2016-01-07
CN105025839B (zh) 2017-10-17
JP2016511674A (ja) 2016-04-21
CN105025839A (zh) 2015-11-04
JP6677512B2 (ja) 2020-04-08

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